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Figure 4 Myocardial systolic function in rats with POH. The in vivo stress (
)–shortening (FSmw) relationship exhibits a trend toward depression in both POH groups (top). However, at a common stress of 75 g·cm–2, shortening in both POH groups was similar to that of the control group (bottom). Thus, myocardial function in the POH-HF and POH-NHF groups was similar. Abbreviations as in Figure 1.